feat(tahesab): import and refresh customers at chosen hours

Each connection can set how many times a day and at which Tehran hours the server pulls Tahesab customers, including name updates for people already linked.

Co-authored-by: Cursor <cursoragent@cursor.com>

packages/shared/src/index.ts

@@ -4287,6 +4287,11 @@ export interface TahesabConnectionDto {
   lastHealthAt: string | null;
   lastHealthOk: boolean | null;
   lastError: string | null;
+  /** ساعت‌های ۰ تا ۲۳ به وقت تهران. خالی یعنی بروزرسانی خودکار خاموش است. */
+  customerSyncHours: number[];
+  customerSyncLastRunAt: string | null;
+  customerSyncLastSummary: string | null;
+  customerSyncLastError: string | null;
   createdAt: string;
   updatedAt: string;
 }
@@ -4301,7 +4306,11 @@ export interface CreateTahesabConnectionRequest {
   allowInsecureTls?: boolean;
 }
 
-export type UpdateTahesabConnectionRequest = Partial<CreateTahesabConnectionRequest>;
+export interface UpdateTahesabConnectionRequest
+  extends Partial<CreateTahesabConnectionRequest> {
+  /** آرایهٔ خالی بروزرسانی خودکار را خاموش می‌کند. */
+  customerSyncHours?: number[];
+}
 
 export interface PersonAccountingLinkDto {
   id: string;